Oh to be a sea lion: Swim, eat, bask, cuddle, repeat. Of course there's more to life for these California sea lions (Zalophus californianus) photographed by Josefine S. at Pier 39 in San Francisco. But to laze on the dock and soak up the sun even for just a few moments seems like something worthy of aspiration.

Would you like to see your nature photo featured as the TreeHugger photo of the day? Join TreeHugger’s Reader Photo Pool on Flickr and add your pictures to the group.